Question: When did Joseph Stalin's child Artem Sergeev die and who was his father?
Paraphrase: When did Joseph Stalin's baby Artem Sergeev die and who was once his father?
SPARQL (Wikidata): SELECT ?value1 ?value2 WHERE { wd:Q855 p:P40 ?s . ?s ps:P40 wd:Q4416801 . ?s pq:P22 ?value1 . ?s pq:P570 ?value2 }